Ventless gas fireplaces are deemed to operate within the range of safety for cycling combusted gasses back into the home s interior.
Ventless gas fireplace safety.
Vent free gas fireplace units have also been known to emit water vapor over time.
The log s are out of place and are impinging the flames.
Ventless gas fireplace safety features that said these gas fireplaces do have several safety features that work to prevent potential issues with carbon monoxide.
Supporters of ventless fireplaces will tell you there are also risks involved with vented fireplaces such as creosote buildup.
There s basically 4 reasons a vent free gas fireplace will produce soot like you described.
For starters you may start to see your wall paper peel.
Vent fee gas logs are not maintenance free.
For instance all gas fireplaces.
While water vapor may not be a direct hazard to human beings like carbon monoxide is when a copious amount of damp warm air begins to fill the home some serious damage can be caused.
Without proper ventilation and safety systems in place there can be serious health risks associated with burning gas in a ventless fireplace.
By contrast vented gas fireplaces which create a dangerously high amount of combustion vent to the outside.
Its spent gasses are not returned to the home.
Ventless fireplaces produce small amounts of nitrous dioxide and carbon monoxide which can be deadly in large doses.